Apparatus and method of boring using laser

Details Apparatus and method of boring using laser Apparatus and method of boring using laser

1991-06-18

1992-11-24

Albritton, C. L.

Electric heating

Metal heating

By arc

2191217, 21912169, B23K 2600

Patent

active

051664933

ABSTRACT:
A two-step boring process is disclosed. A first step of the process is high speed rough boring by thermal processing using a long wavelength laser, and a second step is an optical chemical processing using a short wavelength laser for smoothing the bore wall. A highly reliable through hole can be high speed processed in a short period of time. The bore thus formed has excellent bore wall shape while it has a very small diameter.

REFERENCES:
patent: 4081655 (1978-03-01), Gale
patent: 4473735 (1984-09-01), Stetten
patent: 4789770 (1988-12-01), Kasner et al.
patent: 4820899 (1989-04-01), Hikima et al.
patent: 4839497 (1989-06-01), Sankar et al.

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